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by timerol
2459 days ago
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Energy density improvements in lithium batteries (the biggest factor in flight time) have been fairly gradual. There are drones that can fly longer, but they don't use batteries. There are a few drones that use the frame as a hydrogen tank, and can fly for about 4 hours. (https://edgy.app/hydrogen-powered-drone-hycopter-flight-4-ho...) |
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